You are allergic to indomethacin, Indocin, or any of the inactive components used to make the medicine. Your healthcare provider or pharmacist has a list of the inactive ingredients.
You have an active bleeding condition, such as a stomach ulcer or bleeding within the head.
You have a history of proctitis (inflammation of the rectum) or recent rectal bleeding.
If you have an allergic reaction, hives, or asthma that is caused by aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs).
You are having or have recently had coronary bypass graft surgery (often known as open heart surgery, bypass surgery, or just CABG).
There are several situations in which people should not take indomethacin, as well as a number of things that people should be aware of before starting indomethacin therapy. However, it's possible that not all of the warnings were discussed in this article. Therefore, you should talk with your healthcare provider about the specific precautions and warnings that may apply to you.